diff --git a/usr.bin/yacc/main.c b/usr.bin/yacc/main.c
index 0a5511fdf56..e071c95c4ad 100644
--- a/usr.bin/yacc/main.c
+++ b/usr.bin/yacc/main.c
@@ -62,7 +62,7 @@ char vflag;
 
 char *symbol_prefix;
 char *file_prefix = "y";
-char *temp_form = "yacc.XXXXXXX";
+char *temp_form = "yacc.XXXXXXXXXXX";
 
 int lineno;
 int outline;
diff --git a/usr.bin/yacc/yacc.1 b/usr.bin/yacc/yacc.1
index 23a3b0d5b4a..6a210f17976 100644
--- a/usr.bin/yacc/yacc.1
+++ b/usr.bin/yacc/yacc.1
@@ -123,14 +123,14 @@ is set, the string denoted by
 will be used as the name of the directory where the temporary
 files are created.
 .Sh FILES
-.Bl -tag -width /tmp/yacc.aXXXXXX -compact
+.Bl -tag -width /tmp/yacc.aXXXXXXXXXX -compact
 .It Pa y.code.c
 .It Pa y.tab.c
 .It Pa y.tab.h
 .It Pa y.output
-.It Pa /tmp/yacc.aXXXXXX
-.It Pa /tmp/yacc.tXXXXXX
-.It Pa /tmp/yacc.uXXXXXX
+.It Pa /tmp/yacc.aXXXXXXXXXX
+.It Pa /tmp/yacc.tXXXXXXXXXX
+.It Pa /tmp/yacc.uXXXXXXXXXX
 .El
 .Sh DIAGNOSTICS
 If there are rules that are never reduced, the number of such rules is